{"id":10567,"date":"2026-09-04T11:27:39","date_gmt":"2026-09-04T04:27:39","guid":{"rendered":"https:\/\/pcecatlam.vn\/?p=10567"},"modified":"2026-09-04T11:27:41","modified_gmt":"2026-09-04T04:27:41","slug":"calcium-stearate-cth-42","status":"publish","type":"post","link":"https:\/\/pcecatlam.vn\/en\/calcium-stearate-cth-42\/","title":{"rendered":"Calcium Stearate CTH 42: Ph\u1ee5 gia kh\u00e1ng n\u01b0\u1edbc, t\u1ea1o hi\u1ec7u \u1ee9ng l\u00e1 sen"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Calcium Stearate CTH 42: C\u01a1 Ch\u1ebf Kh\u00e1ng N\u01b0\u1edbc V\u00e0 B\u00ed Quy\u1ebft T\u1ea1o Hi\u1ec7u \u1ee8ng L\u00e1 Sen Cho V\u1eefa X\u00e2y D\u1ef1ng<\/strong><\/h2>\n\n\n\n<p>Hi\u1ec7n t\u01b0\u1ee3ng th\u1ea5m \u1ea9m qua h\u1ec7 th\u1ed1ng mao d\u1eabn c\u1ee7a v\u1eefa x\u00e2y d\u1ef1ng lu\u00f4n l\u00e0 b\u00e0i to\u00e1n \u0111au \u0111\u1ea7u v\u1edbi nh\u00e0 th\u1ea7u v\u00e0 \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t v\u1eefa kh\u00f4. N\u01b0\u1edbc kh\u00f4ng ch\u1ec9 l\u00e0m suy gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a k\u1ebft c\u1ea5u m\u00e0 c\u00f2n g\u00e2y r\u00eau m\u1ed1c, bong tr\u00f3c v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mu\u1ed1i h\u00f3a (efflorescence). \u0110\u1ec3 x\u1eed l\u00fd tri\u1ec7t \u0111\u1ec3, vi\u1ec7c t\u00edch h\u1ee3p ph\u1ee5 gia kh\u00e1ng n\u01b0\u1edbc d\u1ea1ng kh\u1ed1i nh\u01b0 <strong>Calcium Stearate CTH 42<\/strong> \u0111ang tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt h\u00e0ng \u0111\u1ea7u, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m to\u00e0n di\u1ec7n c\u00f9ng <strong>\u201chi\u1ec7u \u1ee9ng l\u00e1 sen\u201d<\/strong> v\u01b0\u1ee3t tr\u1ed9i. B\u00e0i vi\u1ebft ph\u00e2n t\u00edch b\u1ea3n ch\u1ea5t h\u00f3a h\u1ecdc, c\u01a1 ch\u1ebf ch\u1ed1ng th\u1ea5m v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng CTH 42 trong v\u1eefa x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Calcium Stearate CTH 42 l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p><strong><a href=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\" data-type=\"URL\" data-id=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\">Calcium Stearate<\/a><\/strong> (canxi stearat) l\u00e0 mu\u1ed1i canxi c\u1ee7a axit stearic \u2014 m\u1ed9t lo\u1ea1i <strong>mu\u1ed1i kim lo\u1ea1i c\u1ee7a axit b\u00e9o (metallic soap)<\/strong> \u1edf d\u1ea1ng b\u1ed9t m\u1ecbn m\u00e0u tr\u1eafng. H\u1ee3p ch\u1ea5t n\u00e0y tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, kh\u00f4ng tan trong n\u01b0\u1edbc v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, n\u00ean \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i l\u00e0m ch\u1ea5t b\u00f4i tr\u01a1n, ch\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>ch\u1ea5t k\u1ef5 n\u01b0\u1edbc (water repellent \/ hydrophobic agent)<\/strong> trong x\u00e2y d\u1ef1ng, nh\u1ef1a, s\u01a1n, gi\u1ea5y, d\u01b0\u1ee3c ph\u1ea9m,\u2026<\/p>\n\n\n\n<p>V\u1ec1 ngu\u1ed3n g\u1ed1c, Calcium Stearate \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb ph\u1ea3n \u1ee9ng gi\u1eefa axit stearic v\u00e0 v\u00f4i (canxi oxit):<\/p>\n\n\n\n<p><strong><em>2 C\u2081\u2087H\u2083\u2085COOH + CaO \u2192 (C\u2081\u2087H\u2083\u2085COO)\u2082Ca + H\u2082O<\/em><\/strong><\/p>\n\n\n\n<p>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t cho c\u00f4ng n\u0103ng ch\u1ed1ng th\u1ea5m: canxi stearat <strong>g\u1ea7n nh\u01b0 kh\u00f4ng tan trong n\u01b0\u1edbc (~0.004 g\/100 ml \u1edf 15\u00b0C)<\/strong>, \u0111\u1ed3ng th\u1eddi c\u00f3 \u0111u\u00f4i hydrocarbon d\u00e0i mang t\u00ednh k\u1ef5 n\u01b0\u1edbc m\u1ea1nh. Nh\u1edd \u0111\u00f3 khi ph\u00e2n t\u00e1n v\u00e0o v\u1eefa, n\u00f3 bi\u1ebfn b\u1ec1 m\u1eb7t l\u1ed7 r\u1ed7ng t\u1eeb \u01b0a n\u01b0\u1edbc th\u00e0nh k\u1ef5 n\u01b0\u1edbc.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"600\" src=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image.png\" alt=\"\" class=\"wp-image-10568\" srcset=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image.png 800w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-300x225.png 300w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-768x576.png 768w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-16x12.png 16w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>CTH 42<\/strong> (do Na Long s\u1ea3n xu\u1ea5t) l\u00e0 d\u00f2ng calcium stearate chuy\u00ean d\u1ee5ng cho v\u1eefa kh\u00f4 tr\u1ed9n s\u1eb5n, \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1edd t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n \u0111\u1ec1u trong h\u1ec7 xi m\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n (TDS) c\u1ee7a CTH 42<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt<\/strong><\/td><td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td><\/tr><tr><td><strong>Ngo\u1ea1i quan (Appearance)<\/strong><\/td><td>B\u1ed9t m\u1ecbn m\u00e0u tr\u1eafng<\/td><\/tr><tr><td><strong>H\u00e0m l\u01b0\u1ee3ng Canxi (Calcium content) %<\/strong><\/td><td>6.5 ~ 7.1<\/td><\/tr><tr><td><strong>\u0110\u1ed9 \u1ea9m (Moisture content) %<\/strong><\/td><td>\u2264 2.0<\/td><\/tr><tr><td><strong>Axit b\u00e9o t\u1ef1 do (Free acid, t\u00ednh theo axit stearic) %<\/strong><\/td><td>\u2264 0.5<\/td><\/tr><tr><td><strong>\u0110\u1ed9 m\u1ecbn (l\u1ecdt s\u00e0ng 200 mesh) %<\/strong><\/td><td>\u2265 99.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>V\u1edbi t\u1ef7 l\u1ec7 l\u1ecdt s\u00e0ng 200 mesh \u0111\u1ea1t t\u1ed1i thi\u1ec3u <strong>99.0%<\/strong>, CTH 42 c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t si\u00eau m\u1ecbn, gi\u00fap ph\u1ee5 gia ph\u00e2n b\u1ed1 \u0111\u1ed3ng nh\u1ea5t v\u00e0o c\u00e1c l\u1ed7 r\u1ed7ng vi m\u00f4 c\u1ee7a ma tr\u1eadn xi m\u0103ng &#8211; c\u00e1t khi ph\u1ed1i tr\u1ed9n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. C\u01a1 ch\u1ebf kh\u00e1ng n\u01b0\u1edbc v\u00e0 t\u1ea1o hi\u1ec7u \u1ee9ng l\u00e1 sen c\u1ee7a CTH 42<\/strong><\/h2>\n\n\n\n<p>Kh\u00e1c v\u1edbi c\u00e1c m\u00e0ng ch\u1ed1ng th\u1ea5m b\u1ec1 m\u1eb7t th\u00f4ng th\u01b0\u1eddng (v\u1ed1n d\u1ec5 b\u1ecb l\u00e3o h\u00f3a b\u1edfi tia UV ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc c\u01a1 h\u1ecdc), <strong>Calcium Stearate CTH 42<\/strong> mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m <strong>d\u1ea1ng kh\u1ed1i (bulk hydrophobization)<\/strong> \u2014 t\u1ee9c to\u00e0n b\u1ed9 kh\u1ed1i v\u1eefa tr\u1edf n\u00ean k\u1ef5 n\u01b0\u1edbc, kh\u00f4ng ch\u1ec9 ri\u00eang l\u1edbp m\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. C\u01a1 ch\u1ebf kh\u00e1ng n\u01b0\u1edbc v\u00e0 t\u1ea1o hi\u1ec7u \u1ee9ng l\u00e1 sen c\u1ee7a CTH 42<\/strong><\/h2>\n\n\n\n<p>Kh\u00e1c v\u1edbi c\u00e1c m\u00e0ng ch\u1ed1ng th\u1ea5m b\u1ec1 m\u1eb7t th\u00f4ng th\u01b0\u1eddng (v\u1ed1n d\u1ec5 b\u1ecb l\u00e3o h\u00f3a b\u1edfi tia UV ho\u1eb7c tr\u1ea7y x\u01b0\u1edbc c\u01a1 h\u1ecdc), <strong>Calcium Stearate CTH 42<\/strong> mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m <strong>d\u1ea1ng kh\u1ed1i (bulk hydrophobization)<\/strong> \u2014 t\u1ee9c to\u00e0n b\u1ed9 kh\u1ed1i v\u1eefa tr\u1edf n\u00ean k\u1ef5 n\u01b0\u1edbc, kh\u00f4ng ch\u1ec9 ri\u00eang l\u1edbp m\u1eb7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.1. \u0110\u1ecbnh h\u01b0\u1edbng ph\u00e2n t\u1eed v\u00e0 h\u00ecnh th\u00e0nh m\u00e0ng k\u1ef5 n\u01b0\u1edbc<\/strong><\/h3>\n\n\n\n<p>Ph\u00e2n t\u1eed Calcium Stearate g\u1ed3m 2 ph\u1ea7n:<\/p>\n\n\n\n<ul>\n<li><strong>\u0110\u1ea7u ph\u00e2n c\u1ef1c (\u01b0a n\u01b0\u1edbc): <\/strong>t\u01b0\u01a1ng t\u00e1c v\u00e0 b\u00e1m d\u00ednh v\u00e0o b\u1ec1 m\u1eb7t c\u00e1c kho\u00e1ng th\u1ee7y h\u00f3a c\u1ee7a xi m\u0103ng.<\/li>\n\n\n\n<li><strong>\u0110u\u00f4i hydrocarbon m\u1ea1ch d\u00e0i (k\u1ef5 n\u01b0\u1edbc): <\/strong>ch\u0129a t\u1ef1 do ra ngo\u00e0i kh\u00f4ng gian mao d\u1eabn.<\/li>\n<\/ul>\n\n\n\n<p>Trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn, c\u00e1c nh\u00f3m k\u1ef5 n\u01b0\u1edbc s\u1eafp x\u1ebfp theo tr\u1eadt t\u1ef1, bao b\u1ecdc v\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t <strong>l\u1edbp m\u00e0ng k\u1ef5 n\u01b0\u1edbc si\u00eau m\u1ecfng tr\u00ean th\u00e0nh \u1ed1ng mao d\u1eabn.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.2. Ch\u1eb7n \u0111\u1ee9ng hi\u1ec7n t\u01b0\u1ee3ng h\u00fat n\u01b0\u1edbc mao d\u1eabn<\/strong><\/h3>\n\n\n\n<p>Khi v\u1eefa th\u00f4ng th\u01b0\u1eddng kh\u00f4 \u0111i, qu\u00e1 tr\u00ecnh tho\u00e1t n\u01b0\u1edbc \u0111\u1ec3 l\u1ea1i m\u1ea1ng l\u01b0\u1edbi l\u1ed7 r\u1ed7ng v\u00e0 vi mao d\u1eabn li ti; l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t s\u1ebd h\u00fat n\u01b0\u1edbc v\u00e0o s\u00e2u b\u00ean trong (hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn).<\/p>\n\n\n\n<p>L\u1edbp m\u00e0ng k\u1ef5 n\u01b0\u1edbc t\u1eeb CTH 42 l\u00e0m thay \u0111\u1ed5i ho\u00e0n to\u00e0n g\u00f3c ti\u1ebfp x\u00fac gi\u1eefa n\u01b0\u1edbc v\u00e0 th\u00e0nh \u1ed1ng \u2014 chuy\u1ec3n t\u1eeb g\u00f3c \u01b0\u1edbt (\u03b8 &lt; 90\u00b0) sang g\u00f3c k\u1ef5 n\u01b0\u1edbc (\u03b8 &gt; 90\u00b0). Nh\u1edd \u0111\u00f3 \u00e1p su\u1ea5t mao d\u1eabn b\u1ecb <strong>\u0111\u1ea3o ng\u01b0\u1ee3c<\/strong>: thay v\u00ec h\u00fat n\u01b0\u1edbc v\u00e0o, th\u00e0nh \u1ed1ng \u0111\u1ea9y l\u00f9i c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc, ch\u1eb7n tri\u1ec7t \u0111\u1ec3 \u0111\u01b0\u1eddng d\u1eabn \u1ea9m x\u00e2m nh\u1eadp v\u00e0o c\u1ed1t n\u1ec1n. Th\u1ef1c nghi\u1ec7m tr\u00ean v\u1eefa xi m\u0103ng c\u1ea3i ti\u1ebfn b\u1eb1ng calcium stearate ghi nh\u1eadn g\u00f3c ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t \u0111\u1ea1t t\u1edbi ~130\u00b0, x\u00e1c nh\u1eadn tr\u1ea1ng th\u00e1i k\u1ef5 n\u01b0\u1edbc r\u00f5 r\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.3. Hi\u1ec7u \u1ee9ng k\u1ef5 n\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 l\u00e1 sen (water-beading)<\/strong><\/h3>\n\n\n\n<p>Do h\u1ea1t ph\u1ee5 gia ph\u00e2n b\u1ed1 \u0111\u1ec1u ra t\u1eadn l\u1edbp b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n, b\u1ec1 m\u1eb7t v\u1eefa tr\u1edf n\u00ean k\u1ef5 n\u01b0\u1edbc m\u1ea1nh: gi\u1ecdt n\u01b0\u1edbc khi ti\u1ebfp x\u00fac kh\u00f4ng loang ra hay th\u1ea5m v\u00e0o k\u1ebft c\u1ea5u m\u00e0 co l\u1ea1i th\u00e0nh h\u1ea1t tr\u00f2n v\u00e0 l\u0103n \u0111i \u2014 hi\u1ec7n t\u01b0\u1ee3ng water-beading, t\u01b0\u01a1ng t\u1ef1 gi\u1ecdt n\u01b0\u1edbc tr\u00ean l\u00e1 sen. Khi l\u0103n, gi\u1ecdt n\u01b0\u1edbc c\u00f2n cu\u1ed1n theo b\u1ee5i b\u1ea9n, gi\u00fap b\u1ec1 m\u1eb7t kh\u00f4 r\u00e1o v\u00e0 s\u1ea1ch h\u01a1n. V\u1ec1 b\u1ea3n ch\u1ea5t \u0111\u00e2y l\u00e0 hi\u1ec7u \u1ee9ng k\u1ef5 n\u01b0\u1edbc b\u1ec1 m\u1eb7t nh\u1edd h\u00f3a h\u1ecdc k\u1ef5 n\u01b0\u1edbc (kh\u00f4ng ph\u1ea3i si\u00eau k\u1ef5 n\u01b0\u1edbc c\u1ea5u tr\u00fac nano nh\u01b0 l\u00e1 sen th\u1eadt), nh\u01b0ng \u0111\u1ee7 \u0111\u1ec3 n\u01b0\u1edbc vo tr\u00f2n v\u00e0 l\u0103n kh\u1ecfi b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"578\" src=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-1024x578.png\" alt=\"Hi\u1ec7u \u1ee9ng l\u00e1 sen tr\u00ean b\u1ec1 m\u1eb7t v\u1eefa d\u00f9ng CTH 42\" class=\"wp-image-10569\" srcset=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-1024x578.png 1024w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-300x169.png 300w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-768x433.png 768w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-1536x866.png 1536w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-2048x1155.png 2048w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-18x10.png 18w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-1170x660.png 1170w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/image-1-600x338.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Hi\u1ec7u \u1ee9ng l\u00e1 sen tr\u00ean b\u1ec1 m\u1eb7t v\u1eefa d\u00f9ng CTH 42<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. L\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i khi s\u1eed d\u1ee5ng CTH 42 trong v\u1eefa x\u00e2y d\u1ef1ng<\/strong><\/h2>\n\n\n\n<p>Kh\u00f4ng ch\u1ec9 c\u1ea3n n\u01b0\u1edbc, c\u1ea5u tr\u00fac b\u00f4i tr\u01a1n \u0111\u1eb7c th\u00f9 c\u1ee7a mu\u1ed1i stearate c\u00f2n mang l\u1ea1i nhi\u1ec1u gi\u00e1 tr\u1ecb c\u01a1 &#8211; l\u00fd &#8211; h\u00f3a cho h\u1ec7 v\u1eefa:<\/p>\n\n\n\n<ul>\n<li><strong>T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng kh\u00e1ng n\u01b0\u1edbc &amp; ch\u1ed1ng x\u00f3i m\u00f2n: <\/strong>H\u1ea1 th\u1ea5p \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 h\u00fat n\u01b0\u1edbc b\u1ec1 m\u1eb7t, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1eeda tr\u00f4i do n\u01b0\u1edbc m\u01b0a v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n chu k\u1ef3 \u0111\u00f3ng b\u0103ng &#8211; tan b\u0103ng (freeze-thaw resistance).<\/li>\n\n\n\n<li><strong>C\u1ea3i thi\u1ec7n t\u00ednh linh \u0111\u1ed9ng v\u00e0 \u0111\u1ed9 d\u1ebbo (workability): <\/strong>nh\u1edd hi\u1ec7u \u1ee9ng ph\u00e2n t\u00e1n, CTH 42 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t b\u00f4i tr\u01a1n vi m\u00f4 n\u1ed9i b\u1ed9, gi\u00fap t\u0103ng \u0111\u1ed9 ch\u1ea3y, c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo v\u00e0 t\u00ednh gi\u1eef n\u01b0\u1edbc c\u1ee7a v\u1eefa khi thi c\u00f4ng.<\/li>\n\n\n\n<li><strong>Ch\u1ed1ng ph\u1ea5n tr\u1eafng (efflorescence): <\/strong>b\u1eb1ng vi\u1ec7c kh\u00f3a c\u00e1c k\u00eanh mao d\u1eabn, n\u01b0\u1edbc t\u1ef1 do kh\u00f4ng th\u1ec3 mang ion Ca(OH)\u2082 tho\u00e1t ra b\u1ec1 m\u1eb7t \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi CO\u2082, ng\u0103n ho\u00e0n to\u00e0n c\u00e1c v\u1ec7t \u1ed1 tr\u1eafng m\u1ea5t th\u1ea9m m\u1ef9.<\/li>\n\n\n\n<li><strong>Ch\u1ed1ng v\u00f3n c\u1ee5c (anti-caking): <\/strong>gi\u00fap h\u1ed7n h\u1ee3p b\u1ed9t kh\u00f4 \u0111\u1ed3ng nh\u1ea5t, d\u1ec5 \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 b\u1ea3o qu\u1ea3n.<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam th\u00f4ng tin v\u1ec1 s\u1ea3n ph\u1ea9m <strong><a href=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\" data-type=\"URL\" data-id=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\">Calcium Stearate CTH <\/a><\/strong><a href=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\" data-type=\"URL\" data-id=\"https:\/\/pcecatlam.vn\/product\/calcium-stearate-cth-42\/\"><strong>42<\/strong> <\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. \u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a Calcium Stearate CTH 42<\/strong><\/h2>\n\n\n\n<p>Nh\u1edd t\u00ednh \u1ed5n \u0111\u1ecbnh cao v\u00e0 quy c\u00e1ch \u0111\u00f3ng g\u00f3i ti\u00eau chu\u1ea9n, CTH 42 l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m v\u1eefa kh\u00f4 c\u00f4ng nghi\u1ec7p:<\/p>\n\n\n\n<ul>\n<li><strong>V\u1eefa tr\u00e1t ngo\u00e0i &amp; v\u1eefa t\u00f4 ch\u1ed1ng th\u1ea5m (plaster &amp; render): <\/strong>b\u1ea3o v\u1ec7 t\u01b0\u1eddng ngo\u00e0i tr\u01b0\u1edbc m\u01b0a n\u1eafng v\u00e0 th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t.<\/li>\n\n\n\n<li><strong>Keo ch\u00e0 ron \/ keo mi\u1ebft m\u1ea1ch (tile grout): <\/strong>t\u1ea1o \u0111\u01b0\u1eddng ron b\u00f3ng m\u1ecbn, k\u1ef5 n\u01b0\u1edbc, ch\u1ed1ng \u1ed1 \u0111en v\u00e0 n\u1ea5m m\u1ed1c \u1edf khu v\u1ef1c \u1ea9m \u01b0\u1edbt (nh\u00e0 t\u1eafm, b\u1ec3 b\u01a1i).<\/li>\n\n\n\n<li><strong>V\u1eefa m\u00e0ng ch\u1ed1ng th\u1ea5m g\u1ed1c xi m\u0103ng (waterproofing membrane): <\/strong>n\u00e2ng cao ch\u1ec9 s\u1ed1 ch\u1ed1ng th\u1ea5m kh\u1ed1i v\u00e0 \u00e1p l\u1ef1c n\u01b0\u1edbc ph\u00e1 h\u1ee7y.<\/li>\n\n\n\n<li><strong>B\u1ed9t b\u1ea3, b\u1ed9t tr\u00e9t ngo\u00e0i tr\u1eddi (skim coat): <\/strong>t\u0103ng b\u00e1m d\u00ednh, gi\u1ea3m hao h\u1ee5t s\u01a1n l\u00f3t v\u00e0 ch\u1ed1ng \u1ea9m th\u1ea5m ng\u01b0\u1ee3c v\u00e0o k\u1ebft c\u1ea5u.<\/li>\n\n\n\n<li><strong>B\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n, g\u1ea1ch kh\u00f4ng nung, s\u00e0n Terrazzo: <\/strong>t\u0103ng t\u00ednh k\u1ef5 n\u01b0\u1edbc v\u00e0 gi\u1ea3m s\u00f9i mu\u1ed1i cho s\u1ea3n ph\u1ea9m b\u00ea t\u00f4ng th\u00e0nh ph\u1ea9m.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"1024\" src=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-1024x1024.png\" alt=\"\" class=\"wp-image-10575\" srcset=\"https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-1024x1024.png 1024w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-300x300.png 300w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-150x150.png 150w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-768x768.png 768w, https:\/\/pcecatlam.vn\/wp-content\/uploads\/2026\/09\/CTH-42-4-1536x1536.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Calcium Stearate CTH 42 bao 20kg PCE C\u00e1t L\u00e2m<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. <strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<p><strong>\u2753 Calcium Stearate CTH 42 c\u00f3 \u0111\u1ed9c h\u1ea1i kh\u00f4ng?<\/strong><\/p>\n\n\n\n<p><strong>Kh\u00f4ng mang \u0111\u1ed9c t\u00ednh nguy hi\u1ec3m, nh\u01b0ng c\u1ea7n tu\u00e2n th\u1ee7 an to\u00e0n v\u1ec1 b\u1ee5i.<\/strong> H\u1ee3p ch\u1ea5t n\u00e0y an to\u00e0n v\u1ec1 m\u1eb7t sinh h\u1ecdc, song do t\u00ednh ch\u1ea5t b\u1ed9t r\u1ea5t m\u1ecbn, thao t\u00e1c tr\u1ef1c ti\u1ebfp v\u1eabn c\u00f3 th\u1ec3 g\u00e2y kh\u00f4 da, cay m\u1eaft ho\u1eb7c ho do k\u00edch \u1ee9ng \u0111\u01b0\u1eddng th\u1edf. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh ch\u1ec9 c\u1ea7n \u0111eo kh\u1ea9u trang, k\u00ednh b\u1ea3o h\u1ed9 v\u00e0 thao t\u00e1c \u1edf khu v\u1ef1c th\u00f4ng tho\u00e1ng l\u00e0 ho\u00e0n to\u00e0n an to\u00e0n.<\/p>\n\n\n\n<p><strong>\u2753 Li\u1ec1u l\u01b0\u1ee3ng CTH 42 bao nhi\u00eau l\u00e0 ph\u00f9 h\u1ee3p?<\/strong><\/p>\n\n\n\n<p>Nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb 0.1% ~ 0.5% theo t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng v\u1eefa g\u1ed1c xi m\u0103ng. V\u1edbi c\u1ea5p ph\u1ed1i \u0111\u1eb7c th\u00f9, n\u00ean ch\u1ea1y th\u1eed m\u1ebb m\u1eabu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u t\u1ed1i \u01b0u, tr\u00e1nh d\u01b0 th\u1eeba g\u00e2y gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9.<\/p>\n\n\n\n<p><strong>\u2753 CTH 42 kh\u00e1c g\u00ec so v\u1edbi m\u00e0ng ch\u1ed1ng th\u1ea5m qu\u00e9t b\u1ec1 m\u1eb7t?<\/strong><\/p>\n\n\n\n<p>CTH 42 t\u1ea1o kh\u1ea3 n\u0103ng k\u1ef5 n\u01b0\u1edbc cho to\u00e0n kh\u1ed1i v\u1eefa t\u1eeb b\u00ean trong n\u00ean kh\u00f4ng bong tr\u00f3c, kh\u00f4ng l\u00e3o h\u00f3a theo l\u1edbp ph\u1ee7; ngay c\u1ea3 khi b\u1ec1 m\u1eb7t b\u1ecb m\u00e0i m\u00f2n, ph\u1ea7n v\u1eefa b\u00ean d\u01b0\u1edbi v\u1eabn k\u1ef5 n\u01b0\u1edbc. M\u00e0ng b\u1ec1 m\u1eb7t ch\u1ec9 b\u1ea3o v\u1ec7 l\u1edbp ngo\u00e0i v\u00e0 d\u1ec5 m\u1ea5t t\u00e1c d\u1ee5ng khi b\u1ecb tr\u1ea7y x\u01b0\u1edbc.<\/p>\n\n\n\n<p><strong>\u2753 CTH 42 c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c cho keo ch\u00e0 ron v\u00e0 b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n kh\u00f4ng?<\/strong><\/p>\n\n\n\n<p>C\u00f3. CTH 42 ph\u00f9 h\u1ee3p cho keo ch\u00e0 ron, v\u1eefa tr\u00e1t, b\u1ed9t b\u1ea3, v\u1eefa ch\u1ed1ng th\u1ea5m g\u1ed1c xi m\u0103ng, b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n, g\u1ea1ch kh\u00f4ng nung v\u00e0 s\u00e0n Terrazzo \u2014 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u1ea7n ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng loang mu\u1ed1i.<\/p>\n\n\n\n<p><strong>\u2753 Mua Calcium Stearate CTH 42 ch\u00ednh h\u00e3ng \u1edf \u0111\u00e2u?<\/strong> Qu\u00fd kh\u00e1ch c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp PCE C\u00e1t L\u00e2m \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt, nh\u1eadn m\u1eabu th\u1eed v\u00e0 b\u00e1o gi\u00e1 theo kh\u1ed1i l\u01b0\u1ee3ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>Calcium Stearate CTH 42: C\u01a1 Ch\u1ebf Kh\u00e1ng N\u01b0\u1edbc V\u00e0 B\u00ed Quy\u1ebft T\u1ea1o Hi\u1ec7u \u1ee8ng L\u00e1 Sen Cho V\u1eefa X\u00e2y D\u1ef1ng Hi\u1ec7n t\u01b0\u1ee3ng th\u1ea5m \u1ea9m qua h\u1ec7 th\u1ed1ng mao d\u1eabn c\u1ee7a v\u1eefa x\u00e2y d\u1ef1ng lu\u00f4n l\u00e0 b\u00e0i to\u00e1n \u0111au \u0111\u1ea7u v\u1edbi nh\u00e0 th\u1ea7u v\u00e0 \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t v\u1eefa kh\u00f4. N\u01b0\u1edbc kh\u00f4ng ch\u1ec9 l\u00e0m suy gi\u1ea3m [&hellip;]<\/p>","protected":false},"author":2,"featured_media":10570,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[542,545,547,546,544,543],"yst_prominent_words":[],"acf":[],"_links":{"self":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10567"}],"collection":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/comments?post=10567"}],"version-history":[{"count":1,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10567\/revisions"}],"predecessor-version":[{"id":10577,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/posts\/10567\/revisions\/10577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/media\/10570"}],"wp:attachment":[{"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/media?parent=10567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/categories?post=10567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/tags?post=10567"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/pcecatlam.vn\/en\/wp-json\/wp\/v2\/yst_prominent_words?post=10567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}